Dear Sir/Madam，
This is one of the most professional manufacturers of SS410/304/316/302 screws, QiangXin Hardware Products Co.,Ltd, Zhongshan city, China. Superior quality of high strength and excellent rust resistance.
High strength,
SS410 self drilling screw: #12 with point 3 can easily drill through 5 mm SS plate ; #12 with point 5 can easily drill through 12mm SS plate.
Excellent rust resistance,
Salt spray test for 304/316 SS screws more than 96hours, the longest up to 4000hs ; Salt apray test for 410 SS self drilling screws more than 96hs, the longest up to 1000hs.
(Above is acquired by SGS report.)
If you emphasize quality, it is wise to choose us to be your partner. More information, pls contact us freely .